Class / Patent application number | Description | Number of patent applications / Date published |
138040000 | Restrictors | 85 |
20100059131 | Noise Level Reduction of Sparger Assemblies - A method results in a system configuration wherein positioning a plurality of spargers reduces noise levels caused by fluid passing through the plurality of spargers. The method includes providing the plurality of spargers, each sparger having a center line access and an outer diameter measurement. Each of the plurality of spargers is positioned in a manner such that a ratio of the distance between the center line access of each sparger to the outer diameter measurement of each sparger is greater than a pre-determined ratio value. A greater ratio results in a reduction of noise emitted. | 03-11-2010 |
20100147408 | SEWER PIPE FLOW THROUGH BYPASS DEVICE - The present invention relates to a bypass device for bypassing a sewer where it exits a building. The device comprises a pass through pipe having one or more compression rings which expand under compression to seal the hollow pipe in place in a pipe exiting to a sewer. | 06-17-2010 |
20100243089 | WORKING FLUID FEEDING DEVICE | 09-30-2010 |
20100307623 | Apparatus for Reducing Turbulence in a Fluid Stream - A system for conveying fluid includes a conduit segment and a pump disposed downstream of and fluidicly coupled to the conduit segment. The conduit segment has an interior volume for conveying the fluid in a predetermined direction of flow and a plurality of elongate vanes disposed within the interior volume. | 12-09-2010 |
20110061757 | Anti-Resonant Pulse Diffuser - An elongate flow tube having an interior cross-section surrounding a long axis, an inlet end for receiving a fluid flow and an outlet end for discharging the fluid flow, and a diffuser plate spanning the interior cross-section to separate the flow tube into an inlet chamber and an outlet chamber. The diffuser plate includes a plurality of apertures formed therein for directing the fluid flow from the inlet chamber to the outlet chamber. Furthermore, the diffuser plate is orientated longitudinally at a shallow angle with respect to the long axis of the flow tube to provide an indeterminate pulsation reflective surface, with the inlet chamber gradually decreasing in cross-sectional area and the outlet chamber gradually increasing in cross-sectional area across the length of the flow tube. | 03-17-2011 |
20110061758 | APPARATUS AND METHOD FOR MANAGING RUNOFF WATER FROM A DOWN SPOUT OF A GUTTER SYSTEM - An apparatus and method for connecting to the down spout of a gutter system to slow, disrupt, diffuse and absorb energy from runoff water to thereby eliminate erosion and destruction of surrounding landscaping is beneficial and desirable. The apparatus has an enclosure for passing runoff water therethrough. At least one upwardly extending baffle is used to slow and disrupt water from the down spout and at least one downwardly extending baffle is also used to slow, disrupt and diffuse runoff water from the down spout. The upwardly extending baffle and the downwardly extending baffle are for managing runoff water from the down spout to prevent erosion and destruction of surrounding landscaping. | 03-17-2011 |
20120080113 | DEVICE FOR PROCESSING AND CONDITIONING OF MATERIAL TRANSPORTED THROUGH THE DEVICE - The present invention relates to a device for treatment of material transported through the device comprising at least one porous element consisting of solid, for example metallic, structure which allows cross-flow of the material through the porous element. A device in accordance with the invention is particularly useful as mixer or heat exchanger or to carry out chemical reactions under homogenous and heterogeneous conditions. Such a device hereinafter also referred as reactor may comprises a tube ( | 04-05-2012 |
20120145268 | Exhaust Ejector For An Internal Combustion Engine - An exhaust stack for an internal combustion engine includes an upstream segment having a proximal portion and a distal portion, and a downstream segment. The distal portion of the upstream segment has a non-circular cross section and at least partially defines a venturi opening. The downstream segment has a downstream proximal portion that at least partially defines the venturi opening. The distal portion defines a flow area that is less than or equal to a flow area of the proximal portion, and defines a perimeter that is greater than a perimeter of the proximal portion. | 06-14-2012 |
20120273077 | Flow resistor - A flow resistor having a flow conduit with an inlet opening and an outlet opening, and a membrane forming a wall of the flow conduit, and a cross section of the flow of the flow conduit can be varied by exerting pressure on the membrane. The flow resistor has a cavity containing a medium with a positive temperature coefficient and a flow chamber; the membrane separates the cavity from the flow chamber and is both the wall of the cavity as well as the wall of the flow conduit, wherein the flow conduit is constructed as a helical recess, open to the membrane, in a surface of a lower cover that closes the flow chamber, wherein an inflow opening is arranged in the center of an area fixed by the flow conduit and wherein an outflow opening is arranged on the edge side. | 11-01-2012 |
20120291902 | SYSTEM FOR HYDROGEN CHARGING - A system for hydrogen charging has an orifice provided as a flow restrictor between a hydrogen charging port and a hydrogen tank having a larger heat flux value. No orifice is provided on the side of a hydrogen tank having a smaller heat flux value. The orifice has a function of increasing the channel resistance. With the above, it is possible to initially have the hydrogen tank having a smaller heat flux value in the fully charged state, and thereafter the hydrogen tank having a larger heat flux value in the fully charged state. Alternatively, a check valve having a cracking pressure ΔP | 11-22-2012 |
20120318395 | FLEXIBLE CONDUIT FOR USE IN FRESH AIR INTAKE AND GAS VAPOR OUTLET INCORPORATED INTO A VEHICLE FUEL TANK TO ELIMINATE WHISTLING WITHIN THE CONDUIT - A tubing incorporated into a vehicle fuel tank system including an elongated and flexible tubular shaped body having a hollow interior exhibiting pluralities of alternating inner and outer diameter spaced locations. The inner diameter locations exhibit a first plurality of annularly projecting ribs, the outer diameter locations exhibiting a second plurality of ribs exhibiting a larger dimension. In this fashion, a plurality of individual tubing sections are incorporated into each of gas vapor (outflow) vent lines and fresh intake air (inflow) lines such that an inner airflow profile is established within the body to retard the generation of sound associated with volumetric airflow. | 12-20-2012 |
20130048129 | METHOD AND APPARATUS FOR SELECTIVELY CONTROLLING FLUID FLOW - A flow control device and a method of controlling a flow, the flow control device including a flow path for a fluid therethrough and a material at least partially defining the flow path, the material operatively arranged with a surface energy less than that of the fluid for passively impeding an undesirable component of the fluid more than a desirable component of the fluid. | 02-28-2013 |
20130180613 | PIPE - A pipe, in particular in the air supply system of internal combustion engines which are provided, in particular, with an intake system and/or control electronics, is described, wherein the internal pipe and/or the internal pipe surface ( | 07-18-2013 |
20130186499 | FLUID RESISTANCE DEVICE - In order to provide a fluid resistance device that is easily manufactured, compact, accurate, and uniform in performance, the fluid resistance device comprises two members that have facing surfaces that face each other and a downstream end of the upstream side flow channel and an upstream end of the downstream side flow channel open at positions displaced from each other on the facing surfaces, and a ring body that is arranged to surround the downstream end opening and the upstream end opening and that forms the fluid resistance channel between the downstream end opening and the upstream end opening by being sandwiched by the facing surfaces, and is so configured that the ring body is made of a material harder than that of each member, and the ring body breaks into the facing surfaces by fastening two members so as to make the facing surfaces approach each other. | 07-25-2013 |
20130220464 | FLOW CONTROL - The invention relates to a flow control ( | 08-29-2013 |
20130233427 | LNG RECEIVING STRUCTURE - An LNG receiving structure ( | 09-12-2013 |
20130255814 | Permanent Inlet Flow Restrictor Assembly - A flow restrictor assembly which is to be custom fitted to the inside of catch basins attached to storm sewer systems, which flow restrictor assembly is sized so as to restrict the amount of fluid which can flow through the flow restrictor, and which has a hatch which can be easily lifted to allow for easy cleaning and maintenance of the catch basin. | 10-03-2013 |
20130291985 | Fluid Energy Reducing Device - A fluid energy reducing device includes a body having multiple, oppositely directed flow restrictors extending away from opposite sides of the body. Each flow restrictor can have a geometric shape such as a pyramid, triangle, or a conical shape. Fluid such as a fuel traveling in a wave entering the flow restrictors accelerates as the flow area in a flow passage of the flow restrictors decreases. The work performed by accelerating the fluid flow through one or more apertures created in each flow restrictor reduces the energy of the wave, thereby reducing noise in the fluid tank having the fluid energy reducing device when the reduced size and velocity wave subsequently strikes tank structure or walls. | 11-07-2013 |
20130333786 | Permanent Inlet Flow Restrictor Assembly - A flow restrictor assembly which is to be custom fitted to to the inside of catch basins attached to storm sewer systems, which flow restrictor assembly is sized so as to restrict the amount of fluid which can flow through the flow restrictor, and which has a hatch which can be easily lifted to allow for easy cleaning and maintenance of the catch basin. | 12-19-2013 |
20140034173 | WATER FLOW RESTRICTION DEVICE AND METHOD - A device and method restricting water flow from a bathroom fixture is provided herewith. A preferred embodiment of the improved flow restrictor assembly comprises a metallic fitting or housing that accommodates an interior ring assembly and a flow-restrictor disk. The fitting is substantially tubular with a top section, a bottom section and an intersection. The top section of the fitting is defined by an opening, a hollow interior and a ledge upon which the interior ring assembly and flow-restrictor disk are positioned when the flow restrictor assembly is installed and in use. The bottom section features a pair of gripping planes which can be gripped by a specialized tool for purposes of uninstalling the improved flow restrictor assembly. | 02-06-2014 |
20140053937 | HYDROSTATIC PLATE BEARING - The present disclosure relates to a hydrostatic plate bearing, which comprises: a body, and a plurality of restrictors. Wherein, the body is formed with a mounting surface and an oil chamber that are disposed opposite to each other; the plural restrictors includes an orifice restrictor and a membrane restrictor while allowing the orifice restrictor and the membrane restrictor to be serially connected to each other. Operationally, a working fluid that is flowing into the body via the mounting surface is split to flow through the orifice restrictor and the membrane restrictor, in that the split flow of the working fluid that is flowing through the orifice restrictor is guided to flow into the oil chamber. | 02-27-2014 |
20140096854 | FLUID FLOW CONTROL DEVICE - A fluid flow control device that controls a flow of fluid within the flow control device has a flow path to convey the fluid. A cross-sectional area of the flow path varies along the flow path. At least a portion of the length of the fluid flow control device includes an active surface capable of influencing the fluid flow through the flow path to cause vortical motion of the fluid within the fluid pathway. | 04-10-2014 |
20140137970 | HYDRAULIC FLOW-RATE REGULATING DEVICE - The regulating device ( | 05-22-2014 |
20140261829 | OUTLET TUBE FOR A MATERIAL TRANSFER SYSTEM - An outlet tube for a material transfer system. The outlet tube comprises a body and at least one restrictor. The body is adapted to be connected to a feed system. The body has an inner wall that defines an opening adapted to receive material from the feed system such that the body is adapted to allow a flow of the material through the opening and out of the tube. At least one restrictor extends inwardly from the inner wall of the body into the opening. The restrictor(s) is adapted to extend into the flow of the material to impede the flow. In addition, the restrictor(s) is configured to enable the material to flow around it to exit out of the tube. | 09-18-2014 |
20140326349 | CAPILLARY FLOW CONTROL SYSTEM FOR FLUID INDICATOR - A capillary system for a fluid indicator includes a fluid restrictor, and a capillary tube. The fluid restrictor has a small aperture formed therethrough. The capillary tube is adapted to receive a fluid. The fluid restrictor is sealingly affixed into at least one end of the capillary tube so that the small aperture communicates between the inside of the capillary tube and the outside of the capillary tube. The capillary tube is optionally treated so that an inner surface is oilophobic and hydrophobic. The system better controls the interface or meniscus | 11-06-2014 |
20140338771 | Flow Conditioner and Method for Optimization - A flow conditioner for a circular pipe having an axis. The flow conditioner includes a plate having a face to be disposed in the circular pipe with the face of the plate perpendicular to the axis of the pipe. The plate has a central circular passage area through which fluid flows surrounded by two or more concentric arrays of segmented annular passages for fluid flow defined by separating and subdividing ligaments, with at least one subdividing ligament having a width different than a width of a second subdividing ligament. Alternatively, or in addition, there is at least one array of annular passages having a radial width different than a radial width of a second array of annular passages and at least one subdividing ligament having a width different than a width of a second subdividing ligament. A method of producing an optimized geometry of flow conditioner for a circular pipe having an axis. | 11-20-2014 |
20140360609 | FLOW RESTRICTOR - A flow restrictor includes a first disc and a second disc. A rod extends between the first disc and the second disc and spaces the first disc from the second disc. A first hole is formed in the first disc. | 12-11-2014 |
20150083262 | ORIFICE PLATES - Implementations of an orifice plate used to regulate flow through a conduit are provided. In some implementations, a balanced restriction orifice (BRO) plate configured to maximize pressure loss is provided. In some implementations, the BRO plate may be configured to limit pipe and plate noise, erosion, cavitation, shear stress, etc. while maximizing pressure loss, and limiting flow to required values. In some implementations, openings through a BRO plate may be configured to satisfy the Velocity-Head Pressure-Loss equation: ΔP=kρV | 03-26-2015 |
20150316084 | Flow Conditioner with Integral Vanes - A flow conditioner includes a single disk comprising an array of holes; a first set of integral vanes at least partially following a contour or pattern of an outer ring the holes; and a second set of integral vanes at least partially following a contour or pattern of an inner ring the holes. The second set of integral vanes is recessed from the first set of integral vanes in a stepped configuration. | 11-05-2015 |
20160017903 | FLUID THROTTLE MEMBER - A fluid throttle member inserted into a flow passage hole of a flow passage member, the fluid throttle member being adapted to restrict a flow of a fluid, includes a fixing portion fixed to an inner wall of the flow passage hole to form a flow passage through which the fluid flows, wherein a throttle hole is formed to be offset from the fixing portion in the axial direction of the flow passage hole, the throttle hole being adapted to restrict the flow of the fluid. | 01-21-2016 |
20160018825 | Vortex Diffuser for Rotating/Stationary Interfaces - In hydraulic systems having rotating-stationary component interfaces, a bore pressure regulating mechanism is provided to interact with the hydraulic fluid in a control volume to maintain a hydraulic fluid pressure in a longitudinal shaft bore at or approximately equal to a supply pressure when a gear shaft rotates within the control volume. In one aspect, the bore pressure regulating mechanism minimizes vortex flow of the hydraulic fluid induced by the rotation of the gear shaft. In another aspect, the bore pressure regulating mechanism provides a direct feed of pressurized hydraulic fluid proximate an opening of the longitudinal shaft bore through an end surface of the gear shaft, and thereby minimizes the opportunity for the hydraulic fluid to be forced into vortex flow by the gear shaft in the area of the longitudinal shaft bore. | 01-21-2016 |
20160076565 | ORIFICE PLATES - Implementations of an orifice plate used to regulate flow through a conduit are provided. In some implementations, a balanced restriction orifice (BRO) plate configured to maximize pressure loss is provided. In some implementations, the BRO plate may be configured to limit pipe and plate noise, erosion, cavitation, shear stress, etc. while maximizing pressure loss, and limiting flow to required values. In some implementations, openings through a BRO plate may be configured to satisfy the Velocity-Head Pressure-Loss equation: ΔP=kρV | 03-17-2016 |
138041000 | With screen | 3 |
20090173405 | Sanitary component, namely jet regulator or jet former for flowing, fluid media, method of producing such a sanitary component and use of a sanitary component - The invention relates to a sanitary component, namely a stream regulator or stream former for flowing fluid media, consisting of property-defining components in a sandwich-like arrangement in the direction of flow which comprise at least one screen attachment, one diffuser plate assembly as well as a shell body having segments of stream-forming openings extending across its cross-sectional surface. The property-defining components are exchangeable and combinable so as to realize adaptability to different user and user requirements. A locking means is provided e.g. on the inner circumference of the shell body for this purpose as is a corresponding counter-locking means on the outer circumference of the diffuser plate assembly. The diffuser plate assembly exhibits, at least on its exterior, a flow rate class-specifying optical code and the shell body exhibits a stream type-specifying, namely laminar or aerated, optical code. The screen attachment is furthermore inserted into a circumferential inner recess of the e.g. circular diffuser plate assembly, preferably by means of a locking connection, whereby in the case of a flow regulator disposed between the screen attachment and the diffuser plate assembly, the screen attachment is of translucent or transparent design and the flow regulator exhibits another optical coding. In the case where no flow regulator is provided, the optical coding of the screen attachment is designed to match that of the diffuser plate assembly or be provided in a predefined combination. | 07-09-2009 |
20110011478 | APPARATUS FOR PROVIDING CONDITIONED FLUID FLOWS - To provide conditioned fluid flows, a base body has a main flow duct formed therein with a bypass duct that is branched off from and led back to the main flow duct. An exchangeable flow conditioning insert includes a flow resistance element and is adapted to be arranged in the main flow duct relative to the bypass duct in an axial installation position such that the flow resistance element generates a pressure difference between ports of the bypass duct at the main flow duct. | 01-20-2011 |
20130074968 | Sanitary Component, Namely Jet Regulator or Jet Former for Flowing, Fluid Media, Method of Producing such a Sanitary Component and Use of a Sanitary Component - The invention relates to a sanitary component, namely a stream regulator or stream former for flowing fluid media, consisting of property-defining components in a sandwich-like arrangement in the direction of flow which comprise at least one screen attachment, one diffuser plate assembly as well as a shell body having segments of stream-forming openings extending across its cross-sectional surface. The property-defining components are exchangeable and combinable so as to realize adaptability to different user and user requirements. A locking means is provided e.g. on the inner circumference of the shell body for this purpose as is a corresponding counter-locking means on the outer circumference of the diffuser plate assembly. The diffuser plate assembly exhibits, at least on its exterior, a flow rate class-specifying optical code and the shell body exhibits a stream type-specifying, namely laminar or aerated, optical code. | 03-28-2013 |
138042000 | Tortuous path | 17 |
20090165879 | Fluid Flow Labyrinth - A labyrinth channel for reducing pressure and/or flow rate in a liquid flowing in the channel, the labyrinth channel having a bottom surface and first and second opposing walls and comprising: a first array of spaced apart first baffle teeth that have non-parallel upstream and downstream faces and extend from the first wall towards the second wall to terminate in an end; and a second array of spaced apart second baffle teeth that have non-parallel upstream and downstream faces and extend from the second wall towards the first wall to terminate in an end; wherein baffle teeth in different arrays have a substantially same shape and upstream faces of closest baffle teeth in different arrays are different and/or downstream faces of closest baffle teeth in different arrays are different. | 07-02-2009 |
20100175768 | NOISE REDUCING FLUID PASSAGEWAYS FOR FLUID FLOW CONTROL DEVICES - Trim disk assemblies for use in fluid flow control devices include a first disk and a second disk. An elongated void is formed in a surface of each of the first disk and the second disk. The second disk is aligned with the first disk to provide fluid communication between the void of the first disk and the void of the second disk, the void of the first disk being offset or staggered from the void of the second disk. The void of the first disk and the void of the second disk at least partially define a fluid passageway having a cross-sectional area characterized by increases and decreases in cross-sectional area, which define an expansion/contraction mechanism of the fluid passageway. | 07-15-2010 |
20100319799 | FLUID PRESSURE REDUCTION DEVICES - An example fluid pressure reduction device includes a plurality of nested cylinders forming a hollow structure comprising an inner surface and an outer surface. The device also includes a plurality of passageways extending between the inner and outer surfaces through the nested cylinders. At least one of the cylinders includes first apertures substantially differently shaped from second apertures in a second one of the cylinders. At least one of the first apertures has a first wetted perimeter that is greater than a second wetted perimeter of another aperture having the same area as the at least one of the first apertures. | 12-23-2010 |
20110030829 | CHANNEL SYSTEM - A channel system is disclosed for optimising the relation between pressure drop and heat, moisture and/or mass transfer of fluids flowing through the system. In at least one embodiment, the channel system includes at least one channel having at least one channel wall and at least one flow director having a height, the flow director extending in a fluid flow direction and transversely to the channel. It further includes an upstream portion, a downstream portion and an intermediate portion between the upstream and downstream portions, the upstream portion deviating, in the fluid flow direction, from the channel wall inwardly into the channel, and the downstream portion returning, in the fluid flow direction, towards the channel wall, wherein a transition between the intermediate portion and the downstream portion is curved with a radius. | 02-10-2011 |
20110139286 | Water-saving antiblocking anti-splash waterfall head core - A water-saving antiblocking anti-splash waterfall water curtain head core comprises a housing and a flow leading mouth set inside the housing; a block is set under the flow leading mouth, and there are spaces between the upper surface of the block and the exit of the flow leading mouth. During operation, the surface of the block equally blocks water flow and accordingly forms hollow film-like water curtain, which is not only enjoyable but also feels like big flow visually, and thus saves water. When running down, the film-like water curtain produces less energy, which brings less impact, and accordingly brings comfortable and soft feeling to users. After setting the block, pores are no longer needed to be placed at the water outlet of taps, which can prevent water from splashing. | 06-16-2011 |
20110192483 | WATER CONSUMPTION SAVING DEVICE TO FAUCETS IN GENERAL - Water economizer device applicable to general fittings intended for its installation in hot and cold water feeding pipes and especially between the water supply pipe for shower artifacts whereby water consumption is reduced and the same water effect and the same sensation and result of conventional fittings is maintained. It is characterized by a coupled conduit between the water supply pipe and the water outflow artifact, within which a set of items are placed successively and operatively cooperatives between each other and which includes a piece that reduces water inflow, a piece that generates water turbulence and a piece that recovers outflow direction. | 08-11-2011 |
20120222769 | Honeycomb Body Devices Having Slot-Shaped Intercellular Apertures - A honeycomb extrusion body has multiple cells extending along a common direction from a first end of the body to a second end of the body. The cells are separated by cell walls, and the body has at least one fluid path defined within a plurality of said cells. The fluid path includes one or more apertures, through respective cell walls between cells of one or more respective pairs of said plurality of cells. Each aperture has an aperture width measured perpendicular to the common direction of 90% or less of a cell wall width of the respective cell wall measured perpendicular to the common direction. Optionally one or more of the plurality of cells has at least two cell walls each having an aperture at the same position in the common direction. As a further option, these apertures may be offset from the respective centers of their respective walls in the same rotational direction about a central axis of the cell. | 09-06-2012 |
20130019981 | Modular hydraulic hammer reduction system for railroad tank cars - A modular hydraulic hammer reduction system for railroad tank cars includes tubular hydraulic hammer reduction devices which include means to connect the tubular devices to flanges other than by welding or being cast together. For example, the tubular devices can be press fit into the flanges, or the tubular devices can be connected to the flanges with snap rings (preferably spiral-lock snap rings), or even more preferably the tubular devices can be press fit into the flanges and the tubular devices can be connected to the flanges with snap rings (preferably spiral-lock snap rings). The advantage of this modular construction is that one can manufacture multiple tubular devices and multiple flanges of each type, and connect the flanges to the tubular devices on an as-needed basis. This is preferable to having many of each type of hydraulic hammer reduction system assembled and ready to be delivered, as the demand for different types of hydraulic hammer reduction systems varies and storing fully assembled devices will take up more space. | 01-24-2013 |
20140069541 | SYSTEM, TRANSITION CONDUIT, AND ARTICLE OF MANUFACTURE FOR TRANSITIONING A FLUID FLOW - Various systems and apparatuses are provided for a fluid transfer system for an engine. In one example, a system includes a first turbine having an exit for discharging a main fluid flow and a second turbine having an inlet for receiving at least a portion of the main fluid flow. A main conduit fluidically couples the exit of the first turbine to the inlet of the second turbine. A transition conduit is coupled with the main conduit and includes a volute passageway curving around the main conduit. The volute passageway includes a slot that follows a route around the curving volute passageway and opens into an interior of the main conduit. The slot is defined at least in part by a lip and establishes a path for either a secondary fluid flow to enter the main conduit or a portion of a main fluid flow to exit the main conduit. | 03-13-2014 |
20140345732 | Modular hydraulic hammer reduction system for railroad tank cars - A modular hydraulic hammer reduction system for railroad tank cars includes tubular hydraulic hammer reduction devices which include means to connect the tubular devices to flanges other than by welding or being cast together. For example, the tubular devices can be press fit into the flanges, or the tubular devices can be connected to the flanges with snap rings (preferably spiral-lock snap rings), or even more preferably the tubular devices can be press fit into the flanges and the tubular devices can be connected to the flanges with snap rings (preferably spiral-lock snap rings). The advantage of this modular construction is that one can manufacture multiple tubular devices and multiple flanges of each type, and connect the flanges to the tubular devices on an as-needed basis. This is preferable to having many of each type of hydraulic hammer reduction system assembled and ready to be delivered, as the demand for different types of hydraulic hammer reduction systems varies and storing fully assembled devices will take up more space. | 11-27-2014 |
20160010778 | SPARSE 3D-MULTI-SCALE GRID TURBULENCE GENERATOR | 01-14-2016 |
138043000 | Variable restriction | 6 |
20080210326 | Control Valve with Vortex Chambers - A fluid flow control valve comprises a plurality of vortex, fluid pressure reduction chambers | 09-04-2008 |
20080277010 | Flow Regulator - A flow regulator ( | 11-13-2008 |
20080277011 | Flow Regulator - A flow regulator ( | 11-13-2008 |
20100175769 | A REGULATING DEVICE AND METHODS OF USING SAME - The present invention relates to a regulating device ( | 07-15-2010 |
20100288389 | Choke Assembly - A choke assembly. In some embodiments, the choke assembly includes a choke element having a fluid flow passage therethrough. The choke element includes a cage having a plurality of apertures therethrough for the passage of fluid and a plug moveable with respect to the cage. The plug has an end surface that defines a boundary of the fluid flow passage through the choke and is moveable to open or close each of the apertures through the cage, whereby the flow of fluid through the cage is controlled. The apertures in the cage are disposed in a first portion and a second portion separated by a land. Each of the first and second portions has a least one aperture therein. The plug may be positioned with its end surface disposed to intersect the land, such that each aperture is fully open or fully closed to the flow of fluid. | 11-18-2010 |
20140110005 | Flow regulator for shower head - A flow regulator for a shower head includes a hollow cylindrical member including a plurality of spaced latches around a center, an annular cavity between the latches and an inner surface of the hollow cylindrical member, and a plurality of exit holes having both ends open in which a first end of the exit hole communicates with the cavity; an O-ring disposed in the cavity to engage the exit holes; and a ring member including a central channel and a plurality of spaced tunnels around the central channel, the ring member being fastened between the latches and the O-ring. The number of the tunnels is equal to that of the exit holes. The tunnels are aligned with the exit holes. A stable flow through the shower head can be carried out. | 04-24-2014 |
138044000 | Central path | 21 |
20090071561 | Method and system for improving gas flow in a duct or pipe - A method for smoothing the gas flow profile in a duct or pipe in a system wherein the average gas velocity is greater than ten feet per second, comprising positioning within the duct or pipe and across the gas flow, a perforated plate wherein the openings thereof are hexagonal in shape, enabling the use of smaller holes than would otherwise be achievable with the use of round holes for the same pressure drop across the plate, which results in a higher degree of gas velocity profile smoothing for a given pressure drop across the plate. | 03-19-2009 |
20090194182 | DUAL CHAMBER ORIFICE FITTING BODY - A dual chamber orifice fitting, including a body with a lower chamber in fluid communication with a pipeline and a top with an upper chamber in fluid communication with the lower chamber. A valve assembly closes to hydraulically isolate the upper chamber from the lower chamber and opens to allow an orifice plate carrier to move between the chambers. When the orifice plate carrier is in the lower chamber is can be aligned with the flowbore of the pipeline. The orifice plate carrier can be removed from the fitting through the upper chamber. In some embodiments, at least one of either the upper or lower chambers has a curved cross-section including inner and outer radii, a Cassini oval or a dog-bone shape. The body and top may also have a double curved outer surface to accommodate the curved cross-section of the interior chambers. | 08-06-2009 |
20090205732 | ORIFICE PLATE CARRIER - An orifice plate carrier for positioning an orifice plate within an orifice fitting to measure fluid flow rate through a conduit is disclosed. In some embodiments, the plate carrier has an opening therethrough and an inner surface surrounding the opening. A lip extends radially from the inner surface to support an orifice plate assembly with an orifice plate disposed therein. At least one flow port extends through the body. Each flow port is configured to allow fluid therethrough and to reduce a pressure differential between fluid up and downstream of the orifice plate during installation and extraction. At least two notches, each notch extending radially from the inner surface, engage the orifice plate and maintain the concentric position of the orifice plate within the fitting. | 08-20-2009 |
20100229988 | Dual Chamber Orifice Fitting Plate Support - Methods and apparatus for positioning an orifice plate within a body having a straight flowbore. One embodiment includes a carrier supporting the orifice plate and a drive member operable to engage the carrier and move the carrier along a first axis perpendicular to the flowbore. The drive member is also operable to limit the movement of the carrier along a second axis perpendicular to the flowbore and perpendicular to the first axis. A pin is operable to engage the carrier so as to limit movement along the first axis. | 09-16-2010 |
20110297263 | FLOW RESTRICTOR - A flow restrictor includes an exterior tube and an interior tube disposed within the exterior tube. A first flange is disposed at a distal end of the interior tube. An annular rib extends proximally from the first flange and has an interior diameter greater than an exterior diameter of the exterior tube. A second flange is disposed at a proximal end of the exterior tube. A ring member is disposed around the exterior tube between the annular rib of the first flange and the second flange. | 12-08-2011 |
20120085452 | Corrosion Coupon Holder - An embodiment of the invention provides an insert for an orifice fitting in a pipeline. The insert includes a retaining member having an exteriorly facing surface dimensionally corresponding to cross-sectional interior dimensions of a carrier in the orifice fitting. Thus, the insert is positionally stabilized in a predetermined position within the pipeline and in substantial registry with the orifice fitting. A lug is affixed to the interiorly facing surface of the retaining member. The lug projects inwards towards a center of the retaining member and provides an interiorly facing mounting surface. A dielectric insulating layer is on the interiorly facing mounting surface of the lug, wherein the dielectric insulating layer includes a first element of a cooperating attachment member. The cooperating attachment member removably securely retains a corrosion coupon on the dielectric insulating layer upon engagement of the first element with a second element of the cooperating attachment member. | 04-12-2012 |
20130037153 | ELLIPTICAL CHAMBERED FLOW RESTRICTOR - This invention sets forth a water flow restrictor for insertion into a water line connected to a water dispensing fixture. The restrictor includes an in-line restrictor body having a longitudinal flow passageway. The body also has an upstream coupling and a downstream coupling so that the body can be coupled into a water line. The body further has an upstream water receiving chamber and a downstream water passing chamber. An orifice of selectable restrictive size is located between the chambers. The orifice limits the flow of water through the passageway. The upstream water receiving chamber has an elliptically converging interior configuration approaching the orifice. | 02-14-2013 |
20130081730 | WATER FLOW RESTRICTION DEVICE AND METHOD - A device and method restricting water flow from a bathroom fixture is provided herewith. A preferred embodiment of the improved flow restrictor assembly comprises a metallic fitting or housing that accommodates an interior ring assembly and a flow-restrictor disk. The fitting is substantially tubular with a top section, a bottom section and an intersection. The top section of the fitting is defined by an opening, a hollow interior and a ledge upon which the interior ring assembly and flow-restrictor disk are positioned when the flow restrictor assembly is installed and in use. The bottom section features a pair of gripping planes which can be gripped by a specialized tool for purposes of uninstalling the improved flow restrictor assembly. | 04-04-2013 |
20130081731 | EXHAUST GAS DIFFUSER - According to one aspect of the invention, an exhaust gas diffuser includes an outer casing disposed about a center line of the exhaust gas diffuser, a hub disposed about the center line, and an end portion of the hub comprises a recess configured to cause a flow of exhaust gas toward the center line as the exhaust gas flows in a downstream direction. | 04-04-2013 |
20130180614 | DOUBLE ISOLATION FOR DOUBLE CHAMBER DIFFERENTIAL PRESSURE METER - Double isolation for double chamber differential pressure meter, where the differential pressure meter comprising an axial conduit in which there is arranged a plate provided with an orifice which can be extracted into an accessory chamber which communicates with the axial conduit through a passage there being arranged in relation to said passage a closure formed by two angular plate valves which can move independently between a position in which they do not interfere with the aforementioned passage and a position in which they interrupt it such that said angular plate valves allow establishing a leak-tight closure between the axial conduit and the accessory chamber to extract the plate without interrupting the flow of gas or fluid through the axial conduit. | 07-18-2013 |
20130199649 | PRESSURE REDUCER - Pressure reducers are disclosed that, in some embodiments, are designed for use in a pressurized pipe line to provide variable resistance to flow of process fluid, such as steam or water, with no moving parts. The pressure reducers have an elongate outer shell and an inner sleeve spaced radially inwardly from the outer shell. The outer shell is defined by an outer annular wall having an open end and an end wall opposite the open end. The inner sleeve and the outer shell are connected near the open end. The inner sleeve defines a passageway that extends into a cavity defined by the outer shell and has an outlet that is spaced from the end wall. The outer annular wall and the end wall are perforated by a plurality of flow holes extending therethrough, and the sleeve is preferably not perforated. | 08-08-2013 |
20130306183 | Reflector For Fluid Measurement System - A reflector for a fluid flow system includes an orifice plate comprising a flange and an opening; at least one disk; and at least one vane extending between the orifice plate and the at least one disk. | 11-21-2013 |
20140345733 | DAMPER FOR AIR LINES OF AN INTERNAL COMBUSTION ENGINE HAVING A TURBOCHARGER AND METHOD FOR PRODUCING SAID DAMPER - A method for producing a damper for an air line of an internal combustion engine includes the following steps: providing a temperature-controlled inner part having passages; producing a tubular preform of an outer jacket from a thermoplastic melt; and attaching the temperature-controlled inner part to a blowing mandrel of a blow mold which is open. The blowing mandrel has outlet openings and the passages are positioned over the outlet openings. The method further includes bringing the temperature-controlled preform over the inner part and closing the blow mold such that the preform is blown against the walls of the blow mold whereby an outer jacket is obtained. Simultaneously, local connections between the inner part and the outer jacket are obtained by pressing the preform and the inner part against each other in some regions. Finally, the blow mold is opened and the damper is removed. | 11-27-2014 |
20140373955 | FLUID FLOW MODIFIER AND FLUID TREATMENT SYSTEM INCORPORATING SAME - A fluid flow modifier device comprising: an inlet portion for receiving a flow of fluid; an outlet portion for outputting the flow of fluid; and a flow modifier portion disposed between the inlet portion and the outlet portion, the flow modifier portion comprising an outer portion comprising a closed cross-section to the flow of fluid and an inner porous portion configured such that at least a portion of the flow received in the inlet portion must pass through the inner porous portion to reach the fluid outlet. The fluid flow modifier device is ideally used to transition fluid flow between an fluid supply line and a fluid treatment zone—for example, a pressure water supply line and an ultraviolet radiation treatment device (e.g., drinking water treatment device). | 12-25-2014 |
20160153602 | Axial Flow Conditioning Device for Mitigating Instabilities | 06-02-2016 |
138045000 | Variable restriction | 6 |
20080236690 | Controlling cooling fluid flow in a cooling system with a variable inline nozzle - In a cooling system, a variable inline nozzle controls the flow of cooling fluid. The variable inline nozzle includes a composite fibrous tube through which the cooling fluid flows. Upon manipulation of the composite fibrous tube, a diameter of a portion of the composite fibrous tube is adjusted to control the flow of the cooling fluid. | 10-02-2008 |
20100276025 | FLOW MODULATING DEVICE - A flow modulating device comprises flow modulating elements | 11-04-2010 |
20110232792 | High Frequency Pulsed Microjet Actuation - An actuator configured to rapidly vary the throat geometry of a microjet nozzle. Varying the throat geometry rapidly changes the characteristics of the microjet produced by the microjet nozzle. The inventive device is capable of producing pulsed flow. In some embodiments it is also capable of producing rapidly variable flow in order to provide active control. | 09-29-2011 |
20140230942 | DAMPER OPENING AND CLOSING DEVICE - A damper opening and closing device includes an outer cylinder, an inner cylinder that is disposed inside the outer cylinder, is supported movably relative to the outer cylinder and has a fluid passage therein, and a damper group that includes a plurality of dampers disposed in the fluid passage so that the fluid passage is openable and closable. The plurality of dampers are arranged in a circumferential direction of the fluid passage and disposed in the fluid passage in such a way that inner peripheral edges of the dampers are opposed to each other. The damper opening and closing device further includes an angle control unit configured to control the tilt angle of the damper in conjunction with movement of the inner cylinder relative to the outer cylinder. | 08-21-2014 |
20150096641 | FLOW REGULATING APPARATUS - A flow regulating device in a fluid system according to one embodiment may include a housing defining a cavity receiving an orifice body. The orifice body defines a bore extending axially therethrough and includes a flexible end section, with axial slits in one example, to allow the end section to be radially compressed to change a cross-section of a flow passageway when the bore of the orifice body is included in the flow passageway. | 04-09-2015 |
20160201940 | Internal Air Damper | 07-14-2016 |
138046000 | Variable restriction | 12 |
20090065081 | Dynamic Orifice Valve Apparatus And Method - In a fluid transmission line, a valve comprising a housing that establishes a lumen for transmission of a fluid through said valve; a drive mechanism and a drive gear mounted in said housing to be selectively driven in a first or second rotational direction by said drive mechanism. The drive gear has a central throughhole and a plurality of pins around the central throughhole. A plurality of leaves are pivotally mounted on the pins, and oriented to extend radially inward into said central throughhole. A fixed extension has an annular aspect disposed in the drive gear, and has a plurality of engagement members disposed to operatively engage one of said leaves. The engagement members bias the leaves to close an orifice when said drive gear rotates in said first direction and to open the orifice when said drive gear rotates in said second direction. Each of the leaves maintains a substantially sealing engagement with each adjacent leaf throughout a range of motion of the leaves. | 03-12-2009 |
20090084455 | SOLID STATE REGULATOR FOR NATURAL GAS - An annular elastomer is provided in a housing orifice that does not require a large force for deformation. This makes possible a solenoid-type actuator that provides a large displacement of the elastomer, thus allowing higher and lower rates of gas flow through a gas line. | 04-02-2009 |
20090314371 | REGULATING DEVICE AND METHODS OF USING SAME - The present invention relates to a regulating device ( | 12-24-2009 |
20090314372 | FLUID FLOW REGULATING DEVICE - A fluid flow regulating mechanism designed particularly for use in connection with aerosolized drug delivery devices is disclosed. The mechanism includes a housing, planar elastic element, regulating element and positioning component. The elements of the device are configured in a manner such that a flow channel through the housing is opened or closed depending on the flow rate of fluid through a flow channel. | 12-24-2009 |
20110011479 | MODULARLY STRUCTURED FLOW CONDITIONING UNIT - A modularly structured unit is comprised of a flow resistance element and an orifice plate adjacent thereto, preferably for use in the main flow duct of a thermal mass flow rate measuring or control device. The flow resistance element can be combined with various orifice plates having different opening diameters. | 01-20-2011 |
20110056578 | TUBULAR MEMBER HAVING SELF-ADJUSTING VALVES CONTROLLING THE FLOW OF FLUID INTO OR OUT OF THE TUBULAR MEMBER - A tubular member having at least one drainage section ( | 03-10-2011 |
20120103453 | PIPE OF CIRCULAR OVERALL CROSS SECTION, FITTED WITH AN AIRFLOW RATE REGULATING DEVICE - The invention relates to a system and to a method for controlling an aircraft engine starter-generator. The system comprises a transmission box ( | 05-03-2012 |
20120118420 | Device to control the rate of fluid flow in a pipe - The present invention provides a family of devices insertable into a pipe or pipeline for counteracting the force and controlling the rate of flow of a fluid flowing in the pipe or pipeline. The disclosed devices have an overall shape resembling a spear to improve the fluid dynamic performance and are designed to be self-centering in a pipe. The devices can be made from readily available materials using well known manufacturing techniques. Other embodiments showing extensions to the invention are also disclosed. | 05-17-2012 |
20120145269 | AIR DUCT FOR ELECTRONIC DEVICE - An air duct includes a main body, and an adjusting assembly. The main body includes a top plate and two lateral plates extending from opposite sides of the top plate. The adjusting assembly includes two first limiting plates, a second limiting plate, and a third plate. The second and third limiting plates are slidably attached to each other, and are respectively pivotably attached to the first limiting plates. Each first limiting plate is adjustably attached to the lateral plates. | 06-14-2012 |
20130255815 | FLUID CONDUIT WITH VARIABLE FLOW RESISTANCE - A fluid-carrying conduit achieves variable resistance to flow. An elongate, hollow body casing has at least one chamber containing either a dilatant fluid or an electroactive polymer. In the case of the dilatant fluid, a reduction in an effective flow cross section of the fluid line occurs in reaction to an increase in the shear rate of a fluid flowing through the fluid line. In the case of the electroactive polymer, a reduction in an effective flow cross section of the fluid line occurs in reaction to an electric current being applied to the body casing. The conduit may be configured for use as a degassing line in a cooling system of an internal combustion engine. The conduit may have a reinforcement encircling the electroactive polymer. The conduit may have an electrically conductive connecting surface adjacent to the electroactive polymer. The electroactive polymer may be an ionic electroactive polymer. | 10-03-2013 |
20140305528 | DEVICE FOR ADJUSTING A RATE OF FLOW OF AIR FLOWING ALONG AN AIR DUCT - The invention relates to a device ( | 10-16-2014 |
20140345734 | COMMERCIAL HOSE - A flexible hose having an inner tube member made from a thermoplastic elastomer material and an outer tube member made from a non-elastic polyester material. The inner tube member is secured to the outer tube member only at an inlet coupler and an outlet coupler. The inlet coupler is constructed to secure to a water supply provided from a conventional household water spigot. The outlet coupler incorporates a flow restrictor allowing the inner tube member to equalize in pressure with pressurized water received from the water supply. Pressurized water expands the elongated inner tube member longitudinally along a length of the inner tube member and laterally across a width of the inner tube member thereby substantially increasing the length of the hose to an expanded condition wherein the hose contracts to a substantially decreased length when there is a decrease in pressurized water. | 11-27-2014 |